globe image

geo/geo.globeimage.xml

@@ -0,0 +1,41 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<table xmlns="http://query.yahooapis.com/v1/schema/table.xsd">
+  <meta>
+    <sampleQuery>select * from {table} where place="london,uk"</sampleQuery>
+    <author>Christian Heilmann</author>
+    <description>Creates an image of earth with a star at the location you defined. Returns the HTML image tag. If you provide a type parameter of "data" it returns the image as a data URI.</description>
+  </meta>
+  <bindings>
+    <select itemPath="" produces="XML">
+      <inputs>
+        <key id='place' type='xs:string' paramType='variable' required="true" />
+        <key id='type' type='xs:string' paramType='variable' required="false" />
+      </inputs>
+      <execute><![CDATA[
+        default xml namespace = "http://where.yahooapis.com/v1/schema.rng";        
+        var res = y.query("select * from geo.places(1) where text='"+ 
+                          place + "'").results;
+        var lat = res.place.centroid.latitude;
+        var lon = res.place.centroid.longitude;
+        lat = Math.round(parseInt(lat)/5)*5;
+        lon = Math.round(parseInt(lon)/5)*5;
+        var src='http://earthquake.usgs.gov/images/globes/'+
+                 lat+'_'+lon+'.jpg';
+        default xml namespace = "";
+        if(type === 'data'){
+          var data = y.query('select * from data.uri where url="'+
+                              src+'"').results;
+          var datauri = data..url;
+          var dataimg = <img/>;
+          dataimg.@src = data..url;
+          dataimg.@alt = place;
+        }
+        var img = <img/>;
+        img.@src = src;
+        img.@alt = place;
+        var out = (type === 'data') ? dataimg : img;
+        response.object = <globe>{out}</globe>;
+      ]]></execute>
+    </select>
+  </bindings>
+</table>